{"product_id":"self-assessment-spreadsheet-uk","title":"Self Assessment Spreadsheet UK","description":"\u003cp\u003eKeep your sole trader records for the 2025\/26 tax year (6 April 2025 to 5 April 2026) in one spreadsheet, and see roughly what you'll owe before the \u003cstrong\u003e31 January 2027\u003c\/strong\u003e deadline.\u003c\/p\u003e\n\u003ch3\u003eWhat's inside\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncome log\u003c\/strong\u003e: every payment received, with dates outside the tax year flagged.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExpenses log\u003c\/strong\u003e: pick a category that follows the self-employment (short) pages of the return, with non-allowable costs kept separate and a receipt check.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMileage log\u003c\/strong\u003e: HMRC simplified-expenses flat rates for 2025\/26 calculated for you (cars and vans 45p for the first 10,000 business miles, then 25p; motorcycles 24p).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse of home\u003c\/strong\u003e: enter your hours each month to claim the simplified flat rate (£10, £18 or £26 a month).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSummary\u003c\/strong\u003e: totals by category, your profit, and whether the £1,000 trading allowance beats your actual expenses.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTax estimate\u003c\/strong\u003e: Income Tax and Class 4 National Insurance at 2025\/26 rates, plus what's due on 31 January 2027 and 31 July 2027, including payments on account.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eYour tax pot\u003c\/strong\u003e: the % of every payment to put aside, and the exact amount next to each payment you log, including the first-year payments on account that catch people out.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDeadlines\u003c\/strong\u003e: every key date with a live \"days left\" countdown.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtected formulas\u003c\/strong\u003e: you can't break the maths by accident.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGood to know\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eThe tax estimate uses rates for England, Wales and Northern Ireland and assumes self-employment is your only income. Scottish income tax rates are different.\u003c\/li\u003e\n  \u003cli\u003eThis is a record-keeping and estimating tool, not tax advice and not HMRC-recognised filing software. You still file your return on GOV.UK.\u003c\/li\u003e\n  \u003cli\u003eMaking Tax Digital for Income Tax starts from 6 April 2026 for some sole traders (qualifying income over £50,000), which affects the 2026\/27 tax year onwards, not this 2025\/26 return.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWorks with\u003c\/h3\u003e\n\u003cp\u003eMicrosoft Excel, Google Sheets (free) and Apple Numbers.\u003c\/p\u003e","brand":"Planner Season","offers":[{"title":"Default Title","offer_id":67631484404080,"sku":"SA-UK-2025-26","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1036\/2758\/7952\/files\/self-assessment-uk-0.png?v=1791093591","url":"https:\/\/plannerseason.com\/products\/self-assessment-spreadsheet-uk","provider":"Planner Season","version":"1.0","type":"link"}